单语范例（未经PONS编辑处理）
The existence of the wild life habitat is under threat from various areas.
en.wikipedia.org Something primordial, something that the very existence of a people may depend on.
en.wikipedia.org There is a high degree of player influence on the game world, and the existence of multiple solutions to problems.
en.wikipedia.org There were also the existence of mini-market which served the immediate needs of the people in the area.
en.wikipedia.org They survived day to day but at a very low level of existence.
en.wikipedia.org